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401b64c4e8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
32 lines
901 B
Ruby
32 lines
901 B
Ruby
require_relative '../../spec_helper'
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require_relative 'fixtures/classes'
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describe "IO#ioctl" do
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platform_is_not :windows do
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it "raises IOError on closed stream" do
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lambda { IOSpecs.closed_io.ioctl(5, 5) }.should raise_error(IOError)
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end
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end
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platform_is :linux do
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platform_is "86" do # x86 / x86_64
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it "resizes an empty String to match the output size" do
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File.open(__FILE__, 'r') do |f|
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buffer = ''
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# FIONREAD in /usr/include/asm-generic/ioctls.h
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f.ioctl 0x541B, buffer
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buffer.unpack('I').first.should be_kind_of(Integer)
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end
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end
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end
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it "raises an Errno error when ioctl fails" do
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File.open(__FILE__, 'r') do |f|
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lambda {
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# TIOCGWINSZ in /usr/include/asm-generic/ioctls.h
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f.ioctl 0x5413, nil
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}.should raise_error(Errno::ENOTTY)
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end
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end
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end
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end
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